The Guide,wire Inlet, cataloged under National Stock Number 3439-01-122-4903, is classified within Federal Supply Class 3439 (Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories) of the Metalworking Machinery (continued) group. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3439-01-122-4903 |
| Item Name | Guide,wire Inlet |
| FSC / FSG | 3439 / 34 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 636655 | 3/2 Design control — primary reference U.S. Government activity |
| 636655 | 5/9 Secondary reference L-Tec Welding and Cutting Systems |
| 636655 | 5/9 Secondary reference Union Carbide Corp Sub of Dow Co the |
NSN 3439-01-122-4903 is a Guide,wire Inlet, classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4720-01-394-9727. Verify interchangeability with system specifications before substitution.
Key specifications for 3439-01-122-4903: End Item Identification: UNION CARBIDE MODEL WIRE FEEDERS. 0 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.